test_path.py 文件源码

def test_finder_with_failing_find_module(self):
        # PathEntryFinder with find_module() defined should work.
        # Issue #20763.
        class Finder:
            path_location = 'test_finder_with_find_module'
            def __init__(self, path):
                if path != self.path_location:
                    raise ImportError

            @staticmethod
            def find_module(fullname):
                return None


        with util.import_state(path=[Finder.path_location]+sys.path[:],
                               path_hooks=[Finder]):
            self.machinery.PathFinder.find_spec('importlib')